update installation instructions, review feedback
diff --git a/src/node/README.md b/src/node/README.md
index a945295..b641153 100644
--- a/src/node/README.md
+++ b/src/node/README.md
@@ -18,13 +18,19 @@
sudo tee -a /etc/apt/sources.list
```
-Install the gRPC debian package
+Install the gRPC Debian package
```sh
sudo apt-get update
sudo apt-get install libgrpc-dev
```
+Install the gRPC NPM package
+
+```sh
+npm install grpc
+```
+
**Mac OS X**
Install [homebrew][]. Run the following command to install gRPC Node.js.
diff --git a/src/php/README.md b/src/php/README.md
index 01c4db6..f432935 100644
--- a/src/php/README.md
+++ b/src/php/README.md
@@ -39,7 +39,7 @@
sudo tee -a /etc/apt/sources.list
```
-Install the gRPC debian package
+Install the gRPC Debian package
```sh
sudo apt-get update
diff --git a/src/python/README.md b/src/python/README.md
index a7afd58..de0142d 100644
--- a/src/python/README.md
+++ b/src/python/README.md
@@ -23,7 +23,7 @@
sudo tee -a /etc/apt/sources.list
```
-Install the gRPC debian package
+Install the gRPC Debian package
```sh
sudo apt-get update
@@ -31,6 +31,7 @@
```
Install the gRPC Python module
+
```sh
sudo pip install grpcio
```
diff --git a/src/ruby/README.md b/src/ruby/README.md
index 71404a2..f8902e3 100644
--- a/src/ruby/README.md
+++ b/src/ruby/README.md
@@ -26,13 +26,19 @@
sudo tee -a /etc/apt/sources.list
```
-Install the gRPC debian package
+Install the gRPC Debian package
```sh
sudo apt-get update
sudo apt-get install libgrpc-dev
```
+Install the gRPC Ruby package
+
+```sh
+gem install grpc
+```
+
**Mac OS X**
Install [homebrew][]. Run the following command to install gRPC Ruby.